This week, he’ll talk about economics. Trump is slated to lay out his economic vision in a speech to the Detroit Economic Club this afternoon. He is expected to call for a moratorium on all new regulations and reviving the Keystone XL pipeline, give more details on his incredibly costly tax plan, and announce a plan to make child care fully deductible. Here are a few things to keep in mind before today’s speech:

Trump’s reckless economic plans could cost the economy millions of jobs— more than 3 million jobs to be exact.

Trump’s current tax plan is a reckless and costly giveaway to the wealthiest few. It would also cost $9.5 trillion over the next decade and could increase the national debt by nearly 80 percent of GDP by 2036.

Climate change: Every party has a pooper and at Friday’s opening ceremonies in Rio that pooper was climate change. In a short film narrated by Dame Judi Dench, viewers saw how melting ice sheets will inundate coastal cities, including the coast of Rio de Janeiro, which could see up to 1.5 meters of sea level rise by the end of the century, putting 80,000 people at risk of coastal flooding. And speaking of climate change, it has helped the spread of Zika in the U.S.